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_aThimm, Heinz-Ulrich. _9112785 |
| 245 | _aDevelopment projects in the Sudan; an analysis of their rereports with implications for research and training in arid land management | ||
| 260 |
_aTikyo : _bThe United Nations University, _c1979 |
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| 300 |
_a59 p. _b: mapas |
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| 490 |
_aNRTS, 1/UNUP _v; 42 |
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| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0153 |
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| 590 |
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_aBATCH-UPD _b10 _c20130409 _lUCH01 _h2154 |
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_aBATCH-UPD _b10 _c20130913 _lUCH01 _h2121 |
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_aAgricultura _xInnovaciones tecnológicas. _91565 |
| 650 | 1 | 4 |
_aAgricultura _xRegiones áridas. _91781 |
| 650 | 1 | 4 |
_aAgricultura _xSudán. _91828 |
| 650 | 1 | 4 |
_aAgricultura _xSudán. _91828 |
| 650 | 1 | 4 |
_aRegiones áridas _xAgricultura. _995670 |
| 650 | 1 | 4 |
_aRegiones áridas _xCondiciones rurales. _995680 |
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_aNRTS, 1/UNUP _v; 42 _982094 |
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